1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _ZMOD_H
28#define _ZMOD_H
29
30#pragma ident "%Z%%M% %I% %E% SMI"
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36/*
37 * zmod - RFC-1950-compatible decompression routines
38 *
39 * This file provides the public interfaces to zmod, an in-kernel RFC 1950
40 * decompression library. More information about the implementation of these
41 * interfaces can be found in the usr/src/uts/common/zmod/ directory.
42 */
43
44#define Z_OK 0
45#define Z_STREAM_END 1
46#define Z_NEED_DICT 2
47#define Z_ERRNO (-1)
48#define Z_STREAM_ERROR (-2)
49#define Z_DATA_ERROR (-3)
50#define Z_MEM_ERROR (-4)
51#define Z_BUF_ERROR (-5)
52#define Z_VERSION_ERROR (-6)
53
54#define Z_NO_COMPRESSION 0
55#define Z_BEST_SPEED 1
56#define Z_BEST_COMPRESSION 9
57#define Z_DEFAULT_COMPRESSION (-1)
58
59extern int z_uncompress(void *, size_t *, const void *, size_t);
60extern int z_compress(void *, size_t *, const void *, size_t);
61extern int z_compress_level(void *, size_t *, const void *, size_t, int);
62extern const char *z_strerror(int);
63
64#ifdef __cplusplus
65}
66#endif
67
68#endif /* _ZMOD_H */
69